radiant point

常见例句

Declare yourself to be a radiant point of light that will make a difference in the world.
相信你自己就是一粟灿烂的光点，让这个世界变得异彩纷呈。
blog.sina.com.cn
Of course, the trails point back to a radiant point in the constellation Perseus, giving the meteor shower its name.
当然，沿着这条流星光迹反向延伸出去，就可以找到位于英仙座中的辐射点——这个流星雨正是因此而得名的。
bbs.astron.ac.cn
Meteors in annual showers stem from comets, and the radiant point is the point in the sky where we cross the comet's orbit. It's kind of like the point in the distance where train tracks converge.
每年的流星雨主要来自彗星，而辐射点就是与彗星轨道相交的那个点，就好像列车轨道在远处聚合的那点一样。

To illustrate his point, Peroutka sent along the charts below which show piracy of Hexage app Radiant, which has been available for Android since August.
FORBES: Android's Serious Piracy Problem Costs Developers